Armchair



1.1 is a front-perspective view of an armchair, showing our new design;

1.2 is a left view thereof;

1.3 is a right view thereof;

1.4 is a front view thereof;

1.5 is a rear view thereof;

1.6 is top view thereof;

1.7 is a bottom view thereof; and

1.8 is a rear-perspective view thereof. 

CLAIM The ornamental design for an armchair, as shown and described. 